gabriela12 gabriela12

10-02-2016
Physics

contestada

The human heart....How does this level of organization relate to cells? To organ systems?

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SuperHelperThingy SuperHelperThingy

10-02-2016

The veins carry blood to the heart, which is an organ. Veins also carry nutrients and oxygen to the cells, which are also in the blood stream which is important for the heart.

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